>> So for those 5, is it worted for a company like Vanaru to built such a
book or a video sold WITH such a kit, the installation involve many testing,
wiggling, fitting, adapting... <<

I think an installation video would be priceless. That would go for Vanaru,
Bostig and all the other vendors who sell kits.  A video is 1000x more
useful in some circumstances that written instructions.

Also, snippets from this video available on their websites would allow allot
of people to see how easy (or how hard) the job was and determine for
themselves if they want to undertake the job.

I would think that you are correct that 5% could do the job but I think a
number that low only pertains to those who choose the route of buying the
KEP kit, Vanaru harness, a beat 2.2 that needs a timing belt, etc. and doing
all the hard stuff themselves.  As for a complete kit, I'll bet the number
is much higher for those on this list.

My thoughts, I'm lurking on all the engine replacement websites learning as
much as I can for that day when I don't feel like dealing with the
Waterboxer anymore or it quits.  So far all I can say is the replacement
engine will be as low a mileage as I can afford.  I'm not the type that
would spend all that time and money to stick an engine with 200K miles into
it.

Bryan